.github/workflows/branch-sync.yml - main - niceSOFT/python3-setuptools_scm

.github/workflows/branch-sync.yml
108 строк4 KB
dependabot[bot]
build(deps): bump the github-actions group across 1 directory with 4 updates
10 апр 2026, 21:23
10 апр 2026, 21:234742d69
name: Branch Synchronization

# After a release completes on main, sync main back to develop
# so develop stays up to date with release commits (changelog, tags, etc.)

on:
  pull_request:
    types: [closed]
    branches:
      - main

permissions:
  contents: write
  pull-requests: write

jobs:
  sync-main-to-develop:
    # Only run when a release PR is merged to main (primary repo only — no sync PRs on forks)
    if: |
      github.repository == 'pypa/setuptools-scm' &&
      github.event.pull_request.merged == true &&
      startsWith(github.event.pull_request.head.ref, 'release/')
    runs-on: ubuntu-latest
    steps:
      - name: Create PR main → develop
        uses: actions/github-script@3a2844b7e9c422d3c10d287c895573f7108da1b3 # v9.0.0
        with:
          script: |
            const owner = context.repo.owner;
            const repo = context.repo.repo;

            // Check if develop branch exists
            try {
              await github.rest.repos.getBranch({ owner, repo, branch: 'develop' });
            } catch (error) {
              if (error.status === 404) {
                console.log('develop branch does not exist, skipping');
                return;
              }
              throw error;
            }

            // Check if main has commits that develop doesn't
            const { data: comparison } = await github.rest.repos.compareCommits({
              owner, repo, base: 'develop', head: 'main'
            });

            if (comparison.ahead_by === 0) {
              console.log('main has no new commits for develop, skipping');
              return;
            }

            console.log(`main has ${comparison.ahead_by} commits not on develop`);

            // Check for existing sync PR
            const { data: existingPRs } = await github.rest.pulls.list({
              owner, repo, state: 'open',
              head: `${owner}:main`, base: 'develop'
            });

            if (existingPRs.length > 0) {
              console.log(`Sync PR already exists: #${existingPRs[0].number}`);
              return;
            }

            const pr = context.payload.pull_request;
            const body = [
              '## Branch Synchronization',
              '',
              `Syncs release changes from \`main\` back to \`develop\` after merging ${pr.title}.`,
              '',
              'This is an automated PR created by the branch-sync workflow.',
              'Review and merge to keep `develop` up to date with `main`.'
            ].join('\n');

            const { data: syncPR } = await github.rest.pulls.create({
              owner, repo,
              title: `Sync: main → develop`,
              body: body,
              head: 'main',
              base: 'develop'
            });

            console.log(`Created sync PR #${syncPR.number}`);

            await github.rest.issues.addLabels({
              owner, repo,
              issue_number: syncPR.number,
              labels: ['sync']
            });

            // Try to enable auto-merge
            try {
              await github.graphql(`
                mutation($pullRequestId: ID!) {
                  enablePullRequestAutoMerge(input: {pullRequestId: $pullRequestId, mergeMethod: MERGE}) {
                    pullRequest {
                      autoMergeRequest {
                        enabledAt
                      }
                    }
                  }
                }
              `, { pullRequestId: syncPR.node_id });
              console.log('Auto-merge enabled');
            } catch (error) {
              console.log('Could not enable auto-merge:', error.message);
            }